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annotate test/compiler/intrinsics/sha/TestSHA.java @ 20382:b1266b08b994

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8056043: Heap does not shrink within the heap after JDK-8038423 Summary: Enable shrinking within the heap by removing some code added for JDK-8054818. Enable the test case that checks that again too. Reviewed-by: jwilhelm, jmasa
author tschatzl
date Wed, 03 Sep 2014 09:24:07 +0200
parents b20a35eae442
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 /**
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26 * @test
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27 * @bug 8035968
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28 * @summary C2 support for SHA on SPARC
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29 *
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30 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-1 TestSHA
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31 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-224 TestSHA
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32 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-256 TestSHA
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33 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-384 TestSHA
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34 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-512 TestSHA
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35 *
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36 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-1 -Doffset=1 TestSHA
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37 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-224 -Doffset=1 TestSHA
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38 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-256 -Doffset=1 TestSHA
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39 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-384 -Doffset=1 TestSHA
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40 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-512 -Doffset=1 TestSHA
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41 *
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42 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-1 -Dalgorithm2=SHA-256 TestSHA
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43 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-1 -Dalgorithm2=SHA-512 TestSHA
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44 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-256 -Dalgorithm2=SHA-512 TestSHA
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45 *
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46 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-1 -Dalgorithm2=MD5 TestSHA
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47 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=MD5 -Dalgorithm2=SHA-1 TestSHA
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48 */
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49
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50 import java.security.MessageDigest;
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51 import java.util.Arrays;
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52
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53 public class TestSHA {
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54 private static final int HASH_LEN = 64; /* up to 512-bit */
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55 private static final int ALIGN = 8; /* for different data alignments */
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56
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57 public static void main(String[] args) throws Exception {
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58 String provider = System.getProperty("provider", "SUN");
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59 String algorithm = System.getProperty("algorithm", "SHA-1");
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60 String algorithm2 = System.getProperty("algorithm2", "");
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61 int msgSize = Integer.getInteger("msgSize", 1024);
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62 int offset = Integer.getInteger("offset", 0) % ALIGN;
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63 int iters = (args.length > 0 ? Integer.valueOf(args[0]) : 100000);
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64 int warmupIters = (args.length > 1 ? Integer.valueOf(args[1]) : 20000);
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65
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66 testSHA(provider, algorithm, msgSize, offset, iters, warmupIters);
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67
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68 if (algorithm2.equals("") == false) {
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69 testSHA(provider, algorithm2, msgSize, offset, iters, warmupIters);
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70 }
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71 }
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72
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73 static void testSHA(String provider, String algorithm, int msgSize,
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74 int offset, int iters, int warmupIters) throws Exception {
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75 System.out.println("provider = " + provider);
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76 System.out.println("algorithm = " + algorithm);
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77 System.out.println("msgSize = " + msgSize + " bytes");
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78 System.out.println("offset = " + offset);
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79 System.out.println("iters = " + iters);
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80
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81 byte[] expectedHash = new byte[HASH_LEN];
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82 byte[] hash = new byte[HASH_LEN];
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83 byte[] data = new byte[msgSize + offset];
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84 for (int i = 0; i < (msgSize + offset); i++) {
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85 data[i] = (byte)(i & 0xff);
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86 }
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87
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88 try {
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89 MessageDigest sha = MessageDigest.getInstance(algorithm, provider);
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90
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91 /* do once, which doesn't use intrinsics */
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92 sha.reset();
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93 sha.update(data, offset, msgSize);
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94 expectedHash = sha.digest();
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95
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96 /* warm up */
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97 for (int i = 0; i < warmupIters; i++) {
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98 sha.reset();
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99 sha.update(data, offset, msgSize);
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100 hash = sha.digest();
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101 }
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102
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103 /* check result */
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104 if (Arrays.equals(hash, expectedHash) == false) {
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105 System.out.println("TestSHA Error: ");
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106 showArray(expectedHash, "expectedHash");
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107 showArray(hash, "computedHash");
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108 //System.exit(1);
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109 throw new Exception("TestSHA Error");
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110 } else {
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111 showArray(hash, "hash");
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112 }
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113
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114 /* measure performance */
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115 long start = System.nanoTime();
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116 for (int i = 0; i < iters; i++) {
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117 sha.reset();
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118 sha.update(data, offset, msgSize);
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119 hash = sha.digest();
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120 }
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121 long end = System.nanoTime();
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122 double total = (double)(end - start)/1e9; /* in seconds */
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123 double thruput = (double)msgSize*iters/1e6/total; /* in MB/s */
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124 System.out.println("TestSHA runtime = " + total + " seconds");
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125 System.out.println("TestSHA throughput = " + thruput + " MB/s");
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126 System.out.println();
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127 } catch (Exception e) {
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128 System.out.println("Exception: " + e);
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129 //System.exit(1);
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130 throw new Exception(e);
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131 }
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132 }
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133
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134 static void showArray(byte b[], String name) {
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135 System.out.format("%s [%d]: ", name, b.length);
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136 for (int i = 0; i < Math.min(b.length, HASH_LEN); i++) {
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137 System.out.format("%02x ", b[i] & 0xff);
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138 }
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139 System.out.println();
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140 }
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141 }